19986768

素因数分解:

$2^4\times 3^2\times {\mathrm{138797}}^1$

素因数の和:138811

約数の個数: 30

約数和(自身を含む): 55935594

約数和(自身を除く): 35948826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138797, 277594, 416391, 555188, 832782, 1110376, 1249173, 1665564, 2220752, 2498346, 3331128, 4996692, 6662256, 9993384, 19986768]

約数ペア:

[(1, 19986768), (2, 9993384), (3, 6662256), (4, 4996692), (6, 3331128), (8, 2498346), (9, 2220752), (12, 1665564), (16, 1249173), (18, 1110376), (24, 832782), (36, 555188), (48, 416391), (72, 277594), (144, 138797)]